Avient Corporation en zijn dochterondernemingen (gezamenlijk 'Avient', 'wij', 'we', 'ons' of 'onze') zijn toegewijd aan het beschermen van de privacy en persoonlijke gegevens van sollicitanten die via ons online sollicitatieproces en andere kanalen worden verzameld. Als u uw sollicitatie en/of cv met behulp van onze online sollicitatietool indient, worden uw persoonlijke gegevens in overeenstemming met deze verklaring verwerkt en beschermd. Het verstrekken van dergelijke gegevens is echter vrijwillig en u hoeft deze informatie niet als onderdeel van uw online cv en sollicitatie in te dienen.

Er personliga information hanteras och skyddas i enlighet med detta meddelande när ni skickar er ansökan, meritförteckning och/eller CV med hjälp av vårt online- ansökningsverktyg. Att skicka sådana uppgifter är dock frivilligt och ni är inte skyldiga att skicka dem som en del av er online-meritförteckning och -ansökan. Avient kan samla in er personliga information på följande sätt när ni gör en ansökan: • Online: När ni ansöker online med hjälp av webbplatserna; • Via e-post.

To access Avient’s news library online, please visit www.avient.com/news.

To access Avient’s news library online, please visit www.avient.com/news # # # Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

THE SOLUTION While researching other possibilities online, the company found Avient and requested additional information on its thermoplastic elastomers (TPEs).

Annual Report | 2024 2 STOCK EXCHANGE LISTING Avient's Common Stock is listed on the New York Stock Exchange, Symbol: AVNT SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Equiniti Trust Company, LLC 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2615 or 1-651-450-4064 www.shareowneronline.com Additional information about Avient, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.avient.com or free of charge from: Investor Relations Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Phone: 1-440-930-1000 ANNUAL MEETING The annual meeting of Avient will be held virtually via live webcast at 9:00 a.m. Shareholders will be able to attend and participate in the annual meeting online, vote shares electronically, and submit questions during the annual meeting by visiting www.virtualshareholdermeeting.com/AVNT2025.

- The list of officers for this entity is available for online authentication within 30 days from the date of purchase of this Business Profile.

Online access will begin at 8:45 a.m. You will not be able to vote shares held in these plans electronically online during the Annual Meeting. Voting electronically online during the Annual Meeting will replace any previous votes.

Dose rate can be linked to online viscometer to correct the dose rate to compensate for variations in PCR feed IV.

- The list of officers for this entity is available for online authentication within 30 days from the date of purchase of this Business Profile.